Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs from the others. When replying to peers, evaluate the effectiveness of the research design of the study for two of the examples provided.

Please use peer-reviewed sources. I am also attaching two GCU library articles. Please see if you can use those too if possible. If not, you can use any peer-reviewed articles. You can you more than three references if needed. 

Pls answer in 3 paragraphs; I need to reply to another student in 100 words; each section will be 100 words, with no reference.

means 2 students and one instructor .

1= Reply to student

2=Reply to student

3 paragraph=(Reply to instructor)Instructor question is written below

  Two Groups of the Independent Variable

Class, which one is correct? When there are two groups of the independent variable, then:

1. Only the t-test for two independent samples should be used.
2. Either the t-test for two independent samples or the Anova can be used.
3. Either the t-test for paired samples or the Anova can be used.
4. Only the Anova should be used.